Model for the static friction coefficient in a full stick elastic-plastic coated spherical contact

Zhou CHEN; Izhak ETSION

doi:10.1007/s40544-018-0251-5

Friction 2019, 7(6): 613-624 https://doi.org/10.1007/s40544-018-0251-5

Research Article |

Open Access | Issue | Published: 22 November 2018

Model for the static friction coefficient in a full stick elastic-plastic coated spherical contact

Show Author's Information Hide Author's Information Zhou CHEN(

), Izhak ETSION

Department of Mechanical Engineering, Technion, Haifa 32000, Israel

Keywords:

contact mechanics, static friction, elastic-plastic contact, spherical contact, hard coatings

Cite this article:

CHEN Z, ETSION I. Model for the static friction coefficient in a full stick elastic-plastic coated spherical contact. Friction, 2019, 7(6): 613-624. https://doi.org/10.1007/s40544-018-0251-5

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Abstract Full text About this article

Abstract

Finite element analysis is used to investigate an elastic-plastic coated spherical contact in full stick contact condition under combined normal and tangential loading. Sliding inception is associated with a loss of tangential stiffness. The effect of coating thickness on the static friction coefficient is intensively investigated for the case of hard coatings. For this case, with the increase in coating thickness, the static friction coefficient first increases to its maximum value at a certain coating thickness, thereafter decreases, and eventually levels off. The effect of the normal load and material properties on this behavior is discussed. Finally, a model for the static friction coefficient as a function of the coating thickness is provided for a wide range of material properties and normal loading.

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Model for the static friction coefficient in a full stick elastic-plastic coated spherical contact

Show Author's information Hide Author's Information Zhou CHEN(

), Izhak ETSION

Department of Mechanical Engineering, Technion, Haifa 32000, Israel

Abstract

Keywords: contact mechanics, static friction, elastic-plastic contact, spherical contact, hard coatings

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Acknowledgements

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Publication history

Received: 15 July 2018

Revised: 26 August 2018

Accepted: 15 October 2018

Published: 22 November 2018

Issue date: December 2019

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Acknowledgements

This paper is part of IEA AMT IA technical activities.

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This article is published with open access at Springerlink.com

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